Security update provided to RockyLinux 9 kernel (RLSA-2026:2212, RLSA-2026:1143, RLSA-2026:1617)

Brocade SANnav OVA has provided Security updates for RockyLinux 9 kernel RLSA-2026:2212, RLSA-2026:1143, RLSA-2026:1617 vulnerabilities. Rocky Linux 9 : kernel RLSA-2026:2212 kernel: net: openvswitch: fix nested key length validation in the set action CVE-2025-37789 kernel: Linux kernel:...

EUVD-2026-49601

In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: validate MAP frame length before ingress parsing When ingress deaggregation is disabled, rmnetmapingresshandler passes the skb straight to rmnetmapingresshandler, skipping the length validation that...

RXSA-2026:45192 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: dm log: fix out-of-bounds write due to regioncount overflow CVE-2026-53059 kernel: drm/xe: Fix...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux SIG Cloud 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux...

RXSA-2026:45115 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: xfrm single-frag length not properly limited kernel: dm log: fix out-of-bounds write due to...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

CVE-2026-64527

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: validate VMBus packet size in receive callback hypervreceivesub reads msg-vidhdr.type and dispatches into one of four message-type branches without knowing how many bytes the host wrote into hv-recvbuf. The completion...

CVE-2026-64436

In the Linux kernel, the following vulnerability has been resolved: net: afkey: initialize algkeylen for IPComp states pfkeymsg2xfrmstate handles the IPComp SADBXSATYPEIPCOMP case by allocating x-calg and copying only the algorithm name: x-calg = kmallocobjx-calg; if !x-calg err = -ENOMEM; goto...

CVE-2026-64525

In the Linux kernel, the following vulnerability has been resolved: xfrm: move policybydst RCU sync from per-netns .exit to .preexit The struct pernetoperations docstring in include/net/netnamespace.h explicitly warns against blocking RCU primitives in .exit handlers: Exit methods using blocking...

CVE-2026-64507

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64437

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on SMB2CLOSE then SMB2CANCEL Commit f580d27e8928 "ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL" made smb2cancel skip a work whose state is...

CVE-2026-64408 Bluetooth: bnep: pin L2CAP connection during netdev registration

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: pin L2CAP connection during netdev registration bnepaddconnection reads the L2CAP connection without holding the channel lock, then passes its HCI device to registernetdev. Controller teardown can clear and relea...

CVE-2026-64393 ksmbd: run set info with opener credentials

In the Linux kernel, the following vulnerability has been resolved: ksmbd: run set info with opener credentials SMB2 SETINFO handlers call path-based VFS helpers after checking the access mask granted to the SMB handle. Those helpers perform their owner, inode permission and LSM checks using the...

EUVD-2026-48936

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for delete-on-close Delete-on-close can be completed by deferred or durable handle teardown, where no request work is available. Both the base-file unlink and the ADS xattr removal consequently run...

CVE-2026-64352

CVE-2026-64352 affects the Linux kernel BPF subsystem , specifically the LPM (Longest Prefix Match) trie implementation in kernel/bpf/lpm_trie.c. The root cause is incorrect RCU lock annotations : trie_lookup_elem() used rcu_read_lock_bh_held() which does not accept the Tasks Trace RCU held by sl...

CVE-2026-64306 crypto: drbg - Fix returning success on failure in CTR_DRBG

In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTRDRBG drbgctrgenerate sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it...

CVE-2026-64299 tracing: Prevent out-of-bounds read in glob matching

In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent out-of-bounds read in glob matching String event fields are not necessarily NUL-terminated, so the filter predicate functions filterpredstring, filterpredstrloc and filterpredstrrelloc pass the field length to th...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

OESA-2026-3155 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: iio: accel: bmc150: Fix irq assumption regression The code in bmc150-accel-core.c unconditionally calls bmc150accelsetinterrupt in the iiobuffersetupops, such as...

Important: Red Hat Security Advisory: kernel security update

An update for the kernel package is now available for Red Hat Enterprise Linux 8.10 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...